<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="css/base.css">
</head>
<body>
    <div id="con">
        {% block header %}
        <div id="header">
            进厂
        </div>
        {% endblock %}
    </div>
    
</body>
</html>